enthousiaste

Etymology
.

Adjective

 * 1) inspired, passionate (religiously or artistically); often construed with  (= by)
 * 2) enthusiastic; easily inspired or impassioned; often construed with  (= about)
 * 3) enthusiastic, expressing enthusiasm

Noun

 * 1)  One who is inspired by the Divinity
 * 2) One who is enthusiastic or fanatical; often construed with  (= about)